diff options
Diffstat (limited to 'plugins/jetpack/modules/theme-tools/social-menu/icon-functions.php')
| -rw-r--r-- | plugins/jetpack/modules/theme-tools/social-menu/icon-functions.php | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/theme-tools/social-menu/icon-functions.php b/plugins/jetpack/modules/theme-tools/social-menu/icon-functions.php new file mode 100644 index 00000000..45cf95e3 --- /dev/null +++ b/plugins/jetpack/modules/theme-tools/social-menu/icon-functions.php @@ -0,0 +1,161 @@ +<?php +/** + * SVG icons related functions and filters + */ + +/** + * Add SVG definitions to the footer. + */ +function jetpack_social_menu_include_svg_icons() { + // Define SVG sprite file. + $svg_icons = dirname( __FILE__ ) . '/social-menu.svg'; + + // If it exists, include it. + if ( file_exists( $svg_icons ) ) { + require_once( $svg_icons ); + } +} +add_action( 'wp_footer', 'jetpack_social_menu_include_svg_icons', 9999 ); + +/** + * Return SVG markup. + * + * @param array $args { + * Parameters needed to display an SVG. + * + * @type string $icon Required SVG icon filename. + * } + * @return string SVG markup. + */ +function jetpack_social_menu_get_svg( $args = array() ) { + // Make sure $args are an array. + if ( empty( $args ) ) { + return esc_html__( 'Please define default parameters in the form of an array.', 'jetpack' ); + } + + // Define an icon. + if ( false === array_key_exists( 'icon', $args ) ) { + return esc_html__( 'Please define an SVG icon filename.', 'jetpack' ); + } + + // Set defaults. + $defaults = array( + 'icon' => '', + 'fallback' => false, + ); + + // Parse args. + $args = wp_parse_args( $args, $defaults ); + + // Set aria hidden. + $aria_hidden = ' aria-hidden="true"'; + + // Begin SVG markup. + $svg = '<svg class="icon icon-' . esc_attr( $args['icon'] ) . '"' . $aria_hidden . ' role="img">'; + + /* + * Display the icon. + * + * The whitespace around `<use>` is intentional - it is a work around to a keyboard navigation bug in Safari 10. + * + * See https://core.trac.wordpress.org/ticket/38387. + */ + $svg .= ' <use href="#icon-' . esc_html( $args['icon'] ) . '" xlink:href="#icon-' . esc_html( $args['icon'] ) . '"></use> '; + + // Add some markup to use as a fallback for browsers that do not support SVGs. + if ( $args['fallback'] ) { + $svg .= '<span class="svg-fallback icon-' . esc_attr( $args['icon'] ) . '"></span>'; + } + + $svg .= '</svg>'; + + return $svg; +} + +/** + * Display SVG icons in social links menu. + * + * @param string $item_output The menu item output. + * @param WP_Post $item Menu item object. + * @param int $depth Depth of the menu. + * @param array $args wp_nav_menu() arguments. + * @return string $item_output The menu item output with social icon. + */ +function jetpack_social_menu_nav_menu_social_icons( $item_output, $item, $depth, $args ) { + // Get supported social icons. + $social_icons = jetpack_social_menu_social_links_icons(); + + // Change SVG icon inside social links menu if there is supported URL. + if ( 'jetpack-social-menu' === $args->theme_location ) { + foreach ( $social_icons as $attr => $value ) { + if ( false !== strpos( $item_output, $attr ) ) { + $item_output = str_replace( $args->link_after, '</span>' . jetpack_social_menu_get_svg( array( 'icon' => esc_attr( $value ) ) ), $item_output ); + } + } + } + + return $item_output; +} +add_filter( 'walker_nav_menu_start_el', 'jetpack_social_menu_nav_menu_social_icons', 10, 4 ); + +/** + * Returns an array of supported social links (URL and icon name). + * + * @return array $social_links_icons + */ +function jetpack_social_menu_social_links_icons() { + // Supported social links icons. + $social_links_icons = array( + 'amazon.cn' => 'amazon', + 'amazon.in' => 'amazon', + 'amazon.fr' => 'amazon', + 'amazon.de' => 'amazon', + 'amazon.it' => 'amazon', + 'amazon.nl' => 'amazon', + 'amazon.es' => 'amazon', + 'amazon.co' => 'amazon', + 'amazon.ca' => 'amazon', + 'amazon.com' => 'amazon', + 'apple.com' => 'apple', + 'itunes.com' => 'apple', + 'bandcamp.com' => 'bandcamp', + 'behance.net' => 'behance', + 'codepen.io' => 'codepen', + 'deviantart.com' => 'deviantart', + 'digg.com' => 'digg', + 'dribbble.com' => 'dribbble', + 'dropbox.com' => 'dropbox', + 'facebook.com' => 'facebook', + '/feed/' => 'feed', + 'flickr.com' => 'flickr', + 'foursquare.com' => 'foursquare', + 'plus.google.com' => 'google-plus', + 'google.com' => 'google', + 'github.com' => 'github', + 'instagram.com' => 'instagram', + 'linkedin.com' => 'linkedin', + 'mailto:' => 'mail', + 'medium.com' => 'medium', + 'pinterest.com' => 'pinterest', + 'getpocket.com' => 'pocket', + 'reddit.com' => 'reddit', + 'skype.com' => 'skype', + 'skype:' => 'skype', + 'slideshare.net' => 'slideshare', + 'snapchat.com' => 'snapchat', + 'soundcloud.com' => 'soundcloud', + 'spotify.com' => 'spotify', + 'stumbleupon.com' => 'stumbleupon', + 'tumblr.com' => 'tumblr', + 'twitch.tv' => 'twitch', + 'twitter.com' => 'twitter', + 'vimeo.com' => 'vimeo', + 'vk.com' => 'vk', + 'wordpress.org' => 'wordpress', + 'wordpress.com' => 'wordpress', + 'yelp.com' => 'yelp', + 'youtube.com' => 'youtube', + ); + + return $social_links_icons; +} |